
Silent Dry Oil Free Screw Vacuum Air Pump. Silent Energy Saving Design: Combines cabinet and frequency converter for lower noise and energy efficiency. Variable Speed Operation: Adjustable motor speed meets different flow rates and vacuum degree requirements. Real-time Digital Display: Vacuum levels detected and displayed digitally for accurate monitoring. Stable Temperature Control: Large air volume cooling fan ensures better heat dissipation and stable vacuum. Durable Stainless Steel Handle: Easy to lift and move with a robust stainless steel handle. Comprehensive Electrical Protection: Inverter protects pump by displaying faults and status automatically. Lightweight Metal Frame: Strong yet lightweight construction for easy mobility and stability. Customizable Color Options: Available in white or gray to meet modern aesthetic requirements.